Climate and monthly weather forecast
St Johnston Village, Antigua and Barbuda

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The climate of St Johnston Village

The geographical position of St Johnston Village, located in the heartland of Antigua and Barbuda, lends it a tropical rainforest climate, according to the Köppen Climate Classification system. This prominent setting makes the temperature somewhat stable. Records show high temperature averages fluctuating between 28°C (82.4°F) and 31°C (87.8°F) and lows wavering within the 22°C (71.6°F) to 25°C (77°F) range annually. This naturally warm climate attracts visitors who seek year-round pleasant weather.

Delving into the precipitation data sheds light on another crucial facet of St. Johnston Village's tropical profile. Rainfall in the village is not evenly distributed across the months. Rainfall fluctuates, with monthly averages varying from 37mm (1.46") in March to a high of 140mm (5.51") in September. Notably, the number of days experiencing rainfall, just over half a month, averages between 11 days in April to 17 days, last observed in the period from September to December. September, with 140mm (5.51") of rainfall over 17 days, emerges as the wettest month.

Also notable is the sea temperature staying within the 26°C (78.8°F) to 29°C (84.2°F) spectrum throughout the year, providing conducive conditions for watersport activities. With daylight extending from 11.1 hours in December to 13.1 hours in June, coupled with an average of 7 to 8 hours of sunshine, an element persisting across all months, the tropical essence of the village is beautifully encapsulated. The UV index varies from 8 to 12, with the maximum being observed from March to September, indicating the need for sun protection measures.

The best time to visit St Johnston Village

Capitalizing on the consistency of the tropical weather patterns, visitors to St Johnston Village can enjoy pleasant conditions year-round. However, the peak time for tourism falls in the drier months of February and March bracing the least amount of rainfall, at 37mm (1.46") and 40mm (1.57") respectively. These months also coincide with temperate sea temperatures of 26°C (78.8°F) that aid water-based activities. Furthermore, the high temperature averages of 28°C (82.4°F) result in balmy days, perfectly complementing the reduced rainfall.

The worst time to visit St Johnston Village

Despite the enticing tropical warmth of St Johnston Village, caution is advised during the high rainfall period from September to November. During these months, rainfall peaks, reaching 140mm (5.51") in September, and the number of rainy days increases to a maximum of 17. Although the temperature remains fairly constant year-round, the persistent showers may disrupt outdoor activities or sightseeing plans.

Spring weather in St Johnston Village

Spring in St Johnston Village embraces the dry end of the spectrum. This period, from March through to May, experiences rainfall averages ranging from 40mm (1.57") to 91mm (3.58"). These months coincide with a steady increase from an 11.6-hour day in March to a 12.9-hour day in May, suggesting increased opportunities for outdoor explorations. Concurrently, the temperature gradually ascends from a high of 29°C (84.2°F) and a low of 22°C (71.6°F) in March, to a high of 30°C (86°F) and a low of 24°C (75.2°F) by May, marking the onset of the warmer season.

Summer weather in St Johnston Village

A summer in St Johnston Village, spanning from June to August, welcomes the village’s highest temperatures, ranging from 30°C (86°F) to 31°C (87.8°F). Low temperatures stay constant at 25°C (77°F) for the duration. This period also marks the start of the rainy season, with average rainfall scaling from 70mm (2.76") in June to 124mm (4.88") in August. Still, daylight endures from 13.1 hours in June to 12.7 hours in August, providing ample time to take advantage of the warm weather, despite the showers.

Autumn weather in St Johnston Village

The autumnal months from September to November in St Johnston Village experience the highest rainfall. The village records its maximum rainfall of 140mm (5.51") in September, gradually descending to 113mm (4.45") by November. The temperature remains fairly stable, averaging a high of 30°C (86°F) in September, descending slightly to 29°C (84.2°F) by November. Low temperature, however, remains fixed at 25°C (77°F) in September and then drops to 23°C (73.4°F) in November. Consideration of these weather documents helps to manage outdoor excursions during these wetter months.

Winter weather in St Johnston Village

Winter in St Johnston Village, spanning December to February, bears witness to an easing of the rains. Average rainfall decreases from 88mm (3.46") in December to 67mm (2.64") in February. The high temperature fluctuates by a narrow margin, oscillating between 29°C (84.2°F) in December to 28°C (82.4°F) in February, while the low temperature remains constant at 23°C (73.4°F) in December moving to 22°C (71.6°F) by February. These milder months offer an alluring retreat for those looking to escape harsh winter temperatures elsewhere.

Weather in January

St Johnston Village enters the year with a pleasant balance of heat and rain. The month observes the lowest rainfall throughout the year, with a mean 67mm (2.64") over 16 rainy days. The sea tempts with its warm embrace at 26°C (78.8°F), inviting residents and visitors to take a refreshing plunge. Weather in January »

Weather in February

Moving into February, the weather in St Johnston Village remains consistently pleasant. A slight decrease in rainfall days accompanies a drop in mean rainfall, culminating in 37mm (1.46") over 13 days. A daily UV Index of 10 encourages awareness and preparation for outdoor activities. Weather in February »

Weather in March

In March, St Johnston Village experiences a subtle weather transition, indicated by a moderate upsurge in rainfall. An average UV Index at 12, prompts emphasis on sun protection measures during outdoor explorations. Despite the rain, the duration of daylight and sunshine hours remain fairly steady at 12.1 and 8, respectively. Weather in March »

Weather in April

April's weather in St Johnston Village presents a noteworthy jump in its rainfall, accumulating to an average of 57mm (2.24"). Importantly, this precipitation manifests over fewer days, totaling 11 rainy days. The sea steadily rises to a warm 26°C (78.8°F), maintaining an appealing venue for water-related activities. Weather in April »

Weather in May

May finds St Johnston Village in the throes of a climatic transition with marked changes in weather parameters. In a sudden surge from April, rainfall almost doubles to 91mm (3.58"). Sea temperatures begin to rise, peaking the interest of water enthusiasts and casual swimmers alike. Weather in May »

Weather in June

In June, the weather in St Johnston Village is host to copious rainfall and an appreciable upturn in sea temperature. The precipitation, characterized by 70mm (2.76") rainfall over 14 days, lends a wet character to the month. Concurrently, the sea temperature hits a comfortable 28°C (82.4°F), pairing well with the expanding daylight of 13.1 hours. Weather in June »

Weather in July

July in St Johnston Village brings a smattering of weather nuances. Occupying the peak of rainfall distribution, an average of 79mm (3.11") of rain falls throughout this month. Daylight is at its annual zenith, with the sun visible for approximately 13 hours. Weather in July »

Weather in August

August is a month of unusual weather extremities in St Johnston Village. The annual rainfall high is achieved at a hefty 124mm (4.88") occurring over 16 days. Despite the downpour, the sea retains its warmth at 28°C (82.4°F), a perfect invitation for a relaxing dip. Weather in August »

Weather in September

September sees St Johnston Village weathering a wet season, with precipitation reaching its annual peak at 140mm (5.51"). The sea offers respite from the heavy rains with tempting temperatures at 29°C (84.2°F). The duration of daylight decreases to 12.2 hours, while sunshine becomes marginally scarcer, with 7 hours on average. Weather in September »

Weather in October

October in St Johnston Village ushers in a gentle reprieve from the preceding months' heavy rain. A decrease in rainfall, amounting to 134mm (5.28") spread across 17 days, brings a welcome shift. Concurrent with the dip in precipitation is a slight drop in sea temperature to 28°C (82.4°F). Weather in October »

Weather in November

November in St Johnston Village offers a taste of pleasant weather changes. From the high rainfall of the preceding months, November brings a drop to 113mm (4.45"). Temperature of the sea remains pleasingly warm at 28°C (82.4°F), enticing for sea-based activities. Weather in November »

Weather in December

December sees St Johnston Village transitioning into dryer and milder weather conditions. In a marked relief from the previous months, rainfall decreases moderately to 88mm (3.46"), enhancing outdoor adventures' allure. Daylight hovers around 11.1 hours, encouraging a slower pace for the holiday season. Weather in December »

Frequently asked questions

What is the coldest time of year in St Johnston Village?

During January and February, St Johnston Village registers its lowest temperatures, averaging a high of 28°C (82.4°F).

How much does it rain in St Johnston Village?

In St Johnston Village, Antigua and Barbuda, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.94") of precipitation.

What are the months with the coldest sea water in St Johnston Village?

January through April, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

What is the month with the most sunshine in St Johnston Village?

January through August, with an average of 8h of sunshine, are months with the most sunshine in St Johnston Village, Antigua and Barbuda.

What is the month with the lowest UV index in St Johnston Village?

The months with the lowest UV index in St Johnston Village are January and December, with an average maximum UV index of 8.

What is the driest month in St Johnston Village?

The month with the least rainfall is February, when the rain falls for 13 days and typically collects 37mm (1.46") of precipitation.

What is the month with the highest UV index in St Johnston Village?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

When are the longest days in St Johnston Village?

With an average of 13h and 6min of daylight, June has the longest days of the year.

What are the warmest months in St Johnston Village?

St Johnston Village's temperatures tend to hit their maximum during July through September, with an average high-temperature of 31°C (87.8°F).

What is the wettest month in St Johnston Village?

The month with the most rainfall in St Johnston Village, Antigua and Barbuda, is September, when the rain falls for 17 days and typically aggregates up to 140mm (5.51") of precipitation.

What month is the sea warmest in St Johnston Village?

With an average sea temperature of 29°C (84.2°F), September is the month with the warmest seawater.

What are the months with the least sunshine in St Johnston Village?

The months with the least sunshine in St Johnston Village, Antigua and Barbuda, are September through December, with an average of 7h of sunshine.

What is the month with the shortest days in St Johnston Village?

The month with the shortest days in St Johnston Village is December, with an average of 11h and 6min of daylight.

Is there Daylight Saving Time (DST) in St Johnston Village?

St Johnston Village does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.

Average temperature
St Johnston Village, Antigua and Barbuda

Average temperature - St Johnston Village, Antigua and Barbuda

The warmest months (with the highest average high temperature) are July, August and September (31°C).
The months with the lowest average high temperature are January and February (28°C).

The months with the highest average low temperature are June, July, August and September (25°C).
The coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall
St Johnston Village, Antigua and Barbuda

Average rainfall - St Johnston Village, Antigua and Barbuda

The wettest month (with the highest rainfall) is September (140mm).
The driest month (with the least rainfall) is February (37mm).

Average rainfall days
St Johnston Village, Antigua and Barbuda

Average rainfall days - St Johnston Village, Antigua and Barbuda

The months with the highest number of rainy days are September, October, November and December (17 days).
The month with the least rainy days is April (11 days).

Average sea temperature
St Johnston Village, Antigua and Barbuda

Average sea temperature - St Johnston Village, Antigua and Barbuda

The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

Average daylight / Average sunshine
St Johnston Village, Antigua and Barbuda

Average daylight / Average sunshine - St Johnston Village, Antigua and Barbuda

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

The months with the most sunshine are January, February, March, April, May, June, July and August (Average sunshine: 8h).
The months with the least sunshine are September, October, November and December (Average sunshine: 7h).

Average UV index
St Johnston Village, Antigua and Barbuda

Average UV index - St Johnston Village, Antigua and Barbuda

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).

St Johnston Village, Antigua and Barbuda

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